information technology paper 2 november 2015 grade 10 · 2.2 digital divide refers to the technique...

Information Technology/P2 1 Nov 2015

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INFORMATION TECHNOLOGY

PAPER 2

NOVEMBER 2015

GRADE 10

MARKS: 150

TIME: 3 HOURS

This paper consists of 11 pages

Information Technology P2 2 Nov 2015

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INSTRUCTIONS AND INFORMATION 1. The duration of this examination is three hours.

2. Read ALL the questions carefully.

3. Write neatly

4 Use the answer sheet provided for Section A


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SECTION A: SHORT QUESTIONS QUESTION 1: MULTIPLE CHOICE QUESTIONS [10] 1.1 Which one of the following is refers to the primary memory of the computer (1)

(A) CMOS

(B) RAM

(C) CPU Registers

(D) H.D.D

1.2 Which one of the following DOES NOT logically belong to the group (1)

(A) Word

(B) Excel

(C) PowerPoint

(D) Windows 7

1.3 Which of the following Operating Systems is an example of Open Source Software (1)

(A) Windows 8

(B) iOS

(C) Linux

(E) MacOS

1.4 Which one of the following components is NOT an example of an input device? (1)

(A) speakers

(B) webcam

(C) touch screen

(D) biometric device


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1.5 Which of the following describes the Information Processing Cycle (1)

(A) What You See Is What You Get

(B) Central Processing Unit Registers

(C) Garbage In Garbage Out

(D) Input Process Output and Storage

1.6 Which of the following ports can be used to transfer files from a video camera to a

computer (1)

(A) FireWire

(B) PS/2 Port

(C) USB port

(D) LPT port

1.7 Which of the following is correctly illustrates the relationship between storage sizes in

ascending order (1)

A) Bytes, bits, Megabytes, Kilobytes.

(B) Megabytes, bytes, Kilobytes, bits

(C) Bits, Bytes, Kilobytes, Megabytes

(D) kilobytes, Megabytes, Bits, Bytes

1.8 What is the correct unit used for CPU speed (1)

(A) GigaBytes

(B) GigaHertz

(C) TeraBytes

(D) bitspersecond(bps)

1.9 Which of the following extensions represents an executable file (1)

(A) .docx

(B) .txt

(C) .xlsx

(D) .exe

1.10 The computer uses ____________language (1)

(A) English Language

(B) Binary Language

(C) Adjustable language system

(D) International language


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QUESTION 2: TRUE OR FALSE [10] Decide whether the following statements are true or false. Write down the appropriate answer (True or False) and motivate your answer by giving the correct version Example : ICT means Information and Communication Transfer ( Answer: False) - ICT means Information and Communication Technology

2.1 An integer variable (field) can be used to store decimal numbers (2)

2.2 Digital divide refers to the technique of guided division in computers (2)

2.3 The modulus operator gives the remainder when a number is divide by a second number (2)

2.4 The term hardware refers to the programs and data that are used by the computer (2)

2.5 A device driver is a program that is used for accessing the internet (2)


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QUESTION 3: MATCHING TERMS [10] Write down the letter of the description/definition in column B that best matches the item in column

A, e.g. 3.12 N

COLUMN A COLUMN B

3.1 Utility

Program A

A connection of a group of computing devices for the purposes of

communication

3.2 A Suite B A program that is used to access the internet and surf

3.3 Network C Programs that come with operating system and are used for general

maintenance and house keeping routines eg disk defragmenter

3.4 Browser D Programs that install themselves without the user's knowledge on a computer

system to capture and send data from the computer to websites

3.5 Algorithm E A network security system , either hardware or software that controls

incoming or outgoing traffic thereby preventing unauthorised access

3.6 Defragmentation F Is a self-contained step by step set of operations to be performed to solve a

problem

3.7 Firewall G A group of programs that can work together and integrate in accomplishing

certain tasks

3.8 Spyware H The process of reorganising split up files on the hard drive or storage media

3.9 VOIP I Protocol used for transmission of e-mail over the Internet.

3.10

0 Worm J Protocol used to manage the delivery of voice communication over the Internet.

K Attempts to con the user into giving out personal details by posing as a

legitimate organisation usually via e-mail.

L A malicious program that automatically spreads itself across a network of

computers filling up storage space

M The electronic equivalent of junk mail.

(10)


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SCENARIO: A school decided to buy a computer for the school clerk. She does all the typing and printing jobs

for the school. Although she can type very well, she doesn’t know anything about the inner

workings of computers. She came across the computer advert in one of the computer shops. She

enlisted your help to make an informed decision on the proper computer to buy. He also shows

you the following advert he got in the local newspaper.

Product Description x 14" LCD Display x H71 Motherboard x Quad Core Processor 2.8GHz x DVD Multi Reader Writer x 2GB DDR3 1333Mhz x 600GB SATA3 SSD x Windows 8 x Office Suite

SECTION B: SYSTEM TECHNOLOGIES QUESTION 4: BASIC CONCEPTS OF COMPUTING, HARDWARE AND SOFTWARE [20]

In the product specifications they forgot to mention other input devices and output devices 4.1 Name one output device present but was left out (1)

4.2 Suggest two advantages of using the LCD monitor instead of a CRT monitor (2)

4.3 Name one device shown in the picture which will enable her to connect to the wireless of

the school network. (1)

4.4

4.4.1) What is the size of the RAM of this computer? (1)

4.4.2) Explain why this RAM is enough by referring to the purpose of RAM (1)

Graphics design uses a lot of memory and processing power. 4.5 Name the processor in the advert. (1)

4.6 The clerk highlights that she has heard something about ROM, she wonders what it is all

about and is not specified in the advert


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4.6.1 What is the full meaning of ROM (1)

4.6.2 Write TWO differences between RAM and ROM (2)

4.7 The computer includes a 500GB SATA3 SSD 4.7.1 Explain what a SSD is. (1)

4.7.2 The clerk's files needs to be backed up and stored away from the school .

a) Write TWO storage devices that she can use for this (2)

b) You also suggest storing a copy on the internet. What is this called? (1)

The computer is using Windows 8 as Operating Systems.

4.8 Windows 8 is an example of a GUI operating system.

4.8.1 What is the full meaning of GUI (1)

4.8.2 Explain how a GUI works (1)

4.9 The Microsoft Windows operating system includes some utility programs. What is the

function of the Disk Cleanup utility? (2)

4.10 Why is it necessary to update the operating system? (2)


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SECTION C: COMMUNICATIONS AND NETWORK TECHNOLOGIES QUESTION 5: NETWORKS, INTERNET AND THE WWW [23]

The school has decided to link up the HOD's computers with that of the clerk. 5.1 Name three BENEFITS of having a network. (3)

5.2 The consultant hired by the school says he is going to set up a WLAN.

5.2.1 What is the full meaning WLAN (1)

5.2.2 Explain why this network is said to be LAN (1)

5.2.3 The consultant says there is no need to buy cables. Name TWO Wireless

Transmission media ( communication media) that can be used (2)

5.3 The consultant is going to use the clerk's computer as a Server for this network.

5.3.1 What name is given to this type of network (1)

5.3.2 Explain why a peer-to-peer network might be a better option than the type you

mentioned in 5.3.1 (1)

5.4 The clerk stores confidential information on his computer. Give one HINT on how she can

create a powerful hard to crack password. (1)

As part of her duties, the clerk will also be writing emails to various companies and departments. 5.5

5.5.1 What is the full meaning of email (1)

5.5.2 Give ONE example of a netiquette that she can adhere to when writing official

emails

(1)

5.6 Name one disadvantage of social networking sites. (1)

5.7 The school’s email is: [email protected]

5.7.1) Is this a web-based email account or an ISP based email account. Motivate your

answer (2)

5.7.2) Write one advantage and one disadvantage of ISP based (2)

5.7.3) Suggest an email address which shows the email account is web based (1)

The office will require an internet connection. 5.8 Complete the HTML code for the design below. Provide the HTML tags for the letters A to F (5)


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HTML Code: <HTML>

<HEAD><A>Quin Designs</A> </HEAD>

<BODY>

<B>Quin Designs</B>

Our team of consultants include:

<C> <D>Landscape Designers</D>

<D>Landscape Architects</D>

<D>Horticulturists</D>

</C> <E> Our garden design flair has been publicly acknowledged in the numerous local design awards

over the many years and regular features of our work in the gardening magazines and

newspaper columns.

</E> </BODY>

</HTML>


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SECTION D: DATA AND INFORMATION MANAGEMENT QUESTION 6: DATA REPRESENTATION [12] 6.1 What is a global variable (1)

6.2 Write TWO number systems OTHER than Binary, which can be used to represent

numbers. (2)

6.3 What is Unicode (1)

6.4 Why was the ASCII system extended to Unicode? (2)

6.5 Convert the Binary number 10101 to decimal. Show all calculations. (3)

6.6 Convert the Hexadecimal number AF16 to a Decimal number. Show all calculations. (3)

QUESTION 7: FILE MANAGEMENT [8] 7.1

7.1.1 What is a path in computing (1)

7.1.2 Study the picture below

Write the path to the folder IT class (1)

7.2 Give an appropriate extension for the following types of files:

7.2.1) Excel Spreadsheet

7.2.2) Word Document (2)

7.3 Why do programmers use shared and dynamically linked libraries? (2)

7.4 Study the picture below which shows the properties of the File Grade 12 IT March

Control and answer the question that follows:

a) Explain why the file Size (98 KB) is different from file Size on Disk (100 KB)? (2)


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SECTION E: SOLUTION DEVELOPMENT QUESTION 8: ALGORITHMS AND DESIGN CONCEPTS [19] 8.1 Mascom Telecommunications Company wants to develop software for charging

the calls made by their customers. The Call tariffs are as follows:

� call duration less than 5 minutes – charged at R0.65 per minute

� call duration less than 10 minutes – charged at R0.50 per minute

� call duration above 10 minutes – charged at R0.40 per minute and will be given a

discount of 5%.

a) Design an algorithm to calculate the total price of a call. (10)

b) What data type would you use to store the TOTAL PRICE? Motivate your answer (2)

8.2 Consider the following dialog to change the font in Microsoft Word:

a) What is a program (2)

b) What control structure will you in Scratch if you wish to have certain program

instructions repeated (1)

8.2 The Scratch blocks below are supposed to calculate the area of a triangle when the base

and the height have been input.

a) According to the instructions above, what value will be stored in Area if a base of 6

and height 10 are input (2)

b) Write the correct Scratch instruction which MUST be in the last block so as to get a

correct answer. (2)


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Question 9: SECTION F: INTEGRATED SCENARIO [37] 9.1 The Principal of Prince Edward High School has been hired by the Department of

Education to move around schools giving motivational speeches. He decides to buy a

laptop. 9.1 Consider the screenshot from his Laptop below and answer the questions below:

a) What is the size of the primary memory of the laptop (1)

b) Explain the meaning of the Copyright on the Operating systems (2)

9.2 He does not want to use USB flash drives on his laptop as he is aware some of the USBs

will be having virus

9.2.1 Explain what a computer virus is (1)

9.2.2 Do you think the Principal's laptop will never get infected by virus if he never uses a USB?

Motivate your answer (2)

9.2.3 Write TWO examples of antivirus software that the Principal can use on his Laptop (2)

9.3 The Principal wants to transfer some files from his smart phone to the laptop

9.3.1 Suggest TWO ways of transferring files to the lap top (2)

9.3.2 Which storage media DVD or Blue-Ray has more storage capacity (1)

9.4 What type of internet connection can the Principal use on his laptop? (1)

9.5 Except for computer viruses, name two other types of malicious software. (2)

9.6 The Principal has recently created a second email account that is web based

[email protected]. He has been of late receiving some strange emails

which he could not understand. Some strange pop up windows with queer messages keep

appearing on his screen.


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9.6.1 What is email spoofing (2)

9.6.2 What is phishing (2)

9.7

9.7.1 Explain what a Search Engine is (2)

9.7.2 How does a browser differ from a search engine (2)

a) Write TWO examples of browsers (2)

b) Browsers have some plug-ins, what is the purpose of a plug-in (1)

9.8

9.8.1 What is the full meaning of the abbreviation WWW (1)

9.8.2 The Principal is in constant contact with some universities. His favourite University is UNISA

whose web address is www.unisa.ac.za

(a) What is the other name for web address. (1)

(b) What does the za in the web address stand for? (1)

(c) Give the full meaning of the abbreviation IP. (2)

(d) Give the name of ONE program that we can use to create a web page. (1)

9.10 The Principal’s laptop includes a DVD-writer.

a) What type of storage is a DVD? (1)

b) Explain the meaning of the statement " burning a CD" (2)

9.11 The Principal received his new Smart phone. Amongst other features it has Bluetooth,

WI-FI and 3G fun

a) What is the full meaning of 3G. (1)

b) There are many apps on the same smart phone. Explain what an app is. (2)

c) Give the name of any ONE operating system that is used on smart phones (1)

GRAND TOTAL: 150

Grade 10 Information Technology/P2 1 Nov 2015

Copyright reserved

INFORMATION TECHNOLOGY

PAPER 2

NOVEMBER 2015

MEMORANDUM

GRADE 10

MARKS: 150

TIME: 3 HOURS

Grade 10 Information Technology P2 2 Nov 2015

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SECTION A: SHORT QUESTIONS QUESTION 1: MULTIPLE CHOICE QUESTIONS [10] 1.1 B 9

1.2 D 9

1.3 C 9

1.4 A 9

1.5 D 9

1.6 A 9

1.7 C 9

1.8 B 9

1.9 D 9

1.10 B 9

QUESTION 2: TRUE OR FALSE [10] Decide whether the following statements are true or false. Write down the appropriate answer (True or False) and motivate your answer by giving the correct version 2.1 F 9 An integer variable (field) can be used to store INTEGERS OR WHOLE NUMBERS9

(2)

2.2 F 9 Digital divide refers to the demographic differences of those who have access

to technological devices versus those who do not access at all 9 (2)

2.3 T 9 The modulus operator gives the remainder when a number is divide by a

second number 9 (2)

2.4 F 9 The term hardware refers to the physical parts of a computer that we can touch 9 (2)

2.5 F 9 A device driver is a program that is used for controlling a device that is connected

to the computer, ( enables interaction of the computer and the device 9 (2)

QUESTION 3: MATCHING TERMS [10] Write down the letter of the description/definition in column B that best matches the item in column

3.1 C 9 (1)

3.2 G 9 (1)

3.3 A 9 (1)

3.4 B 9 (1)

3.5 F 9 (1)

3.6 H 9 (1)

3.7 E 9 (1)

3.8 D 9 (1)


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3.9 J 9 (1)

3.10 L 9 (1)

QUESTION 4: BASIC CONCEPTS OF COMPUTING, HARDWARE AND SOFTWARE [20] 4.1 Speakers 9 (1)

4.2 - occupies less space9

- uses less energy9

-Quality display ( any TWO) (2)

4.3 Wireless Access Point 9 (1)

4.4.1 2GB 9 (1)

4.4.2 RAM is used to store programs and data in current use, it not permanent, so it is enough9

(1)

4.5 Quad Core Processor 2.8 GHz 9 (1)

4.6.1 Read Only Memory 9 (1)

4.6.2 RAM is volatile while ROM is not 9 (1)

RAM can be read and written to , while ROM is read only 9 (1)

4.7.1 It is a Solid State Drive 9 (1)

4.7.2 (a) - A CD or DVD9

-An External Hard Drive9

- Flash Drive ( Any TWO) (2)

(b) On-Line Storage 9 (1)

4.8 The computer is using Windows 8 as an Operating Systems. 4.8.1 GUI means Graphical User Interface 9 (1)

4.8.2 Uses Mouse and icons as well as windows9 (1)

4.9 Disk Cleanup used to delete old files and temporary internet files thereby creating

space99 (2)

4.10 So that it keeps up with the latest developments and improve on security of the

computer 99 (2)


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SECTION C: COMMUNICATIONS AND NETWORK TECHNOLOGIES QUESTION 5: NETWORKS, INTERNET AND THE WWW [23] 5.1 -sharing resources 9

- centralisation of data 9

-increased security 9

-sharing programs (Any THREE) (3)

5.2

5.2.1 Wireless Local Area Network 9 (1)

5.2.2 Because it will connect computers which are within the same institution ( school) 9 (1)

5.2.3 - WI-FI 9 (1)

- microwaves 9 (1)

- infra-red (optional) (ANY TWO)

5.3

5.3.1 Client- Server Network 9 (1)

5.3.2 it avoids traffic overload and delays in data transmission 9 (1)

5.4 - Must have more than SIX characters 9 (1)

- must mix symbols and digits together with characters of the alphabet 9 (1)

5.5

5.5.1 Electronic communication 9 (1)

5.5.2 - avoid using Capital letters or exclamation marks 9

- avoid using insulting language (1)

( Any ONE)

5.6 - cyber bullying by other users 9 (1)

- identity theft can happen

- cyber stalking can happen

- personification is rampant ( pretending to be someone else)

(Any ONE)

5.7 The school's email is: [email protected]

5.7.1) It is hosted by mweb which is an ISP ,so it is ISP based 9 (1)

5.7.2 Advantage - there is increased security and filtering of email before they send it to you

and one disadvantage of ISP based 9 (1)

Disadvantage - there are monthly charges 9 (1)

5.7.3) [email protected] 9 (1)


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( Accept ANY that uses a webiste)

5.8 A <title> </title> 9 (1)

B <h1> </h1> 9 (1)

C <ul> </ul> 9 (1)

D <li> </li> 9 (1)

E <p> </p> 9 (1)

SECTION D: DATA AND INFORMATION MANAGEMENT QUESTION 6: DATA REPRESENTATION [12]

6.1 A variable that is visible to all the methods and rest of the program 9 (1)

6.2 Hexadecimal 9 and Decimal number 9 systems (2)

6.3 An international coding system in which each letter , digit, or symbol is represented by a

pattern of digits 9 (1)

6.4 it is because ASCII was representing only a small number of characters (128) so it was

changed to Unicode so as to represent more characters 99 (2)

6.5 21 999 (3)

6.6 175 99 9 (3)

QUESTION 7: FILE MANAGEMENT [8] 7.1

7.1.1 A sequence of folders that are opened until we get to the file location 9 (1)

7.1.2 C:\EM.Study\IT Class 9 (1)

7.2

7.2.1) . xlsx 9 (1)

7.2.2) .docx9 (1)

7.3 in these libraries there is code that is re-usable in other program modules, so they can

use it and avoid wasting time rewriting the same code 99 (2)

7.4 Size refers to the actual file size but size on disk refers to the cluster allocation that the file

has taken up 99 (2)


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SECTION E: SOLUTION DEVELOPMENT QUESTION 8: ALGORITHMS AND DESIGN CONCEPTS [19] 8.1 (a) 1 Get callduration 9 (1)

2 if callduration < 5 9 (1)

3 TotalPrice <------- callduration multiplied by 0.659 (1)

4 otherwise

5 if callduration <10 9 (1)

6 TotalPrice <-----------callduration multiplied by 0.50 9 (1)

7 Otherwise TotalPrice <-------- callduration Mutiplied by 0.40 9 (1)

8 if callduration >10 (1)

9 TotalPrice<---- TotalPrice subtract 0.05 multiplied by TotalPrice 9 9 (2)

10 Output TotalPrice (1)

(b) double 9 ( in Java) , mark correct the equivalent in Delphi

Because the total price can be a number with decimals( a real number) 9 (2)

8.2 (a) A set of instructions to solve a problem 9 9 (2)

(b) repeat until 9 (1)

8.3 (a) 60 9 9 (2)

(b) Set Area to 0.5*Base*height 9 9 (2)

Don't accept (set Area to 1/2* Base*Height )

Question 9 [38] 9.1 (a) 4.00 GB (1)

(b) it specifies that Microsoft is the original creator of this software and it is ONLY that

company which has the right to copy and distribute the software. 99 (2)

9.2 .1 A malicious program that can damage or affect a computer system 9 (1)

9.2.2 It will get infected with Viruses because some will get in via the internet and emails (2)

9.2.3 Norton Antivirus 9 and Windows Defender (ANY TWO ) 9 (2)

9.3.1 transfer via Bluetooth 9

- USB cable 9

- memory card ( fit into memory card adapter) (2)

9.3.2 Blu-Ray (1)

9.4 Wireless 9 (1)

9.5 keyloggers 9 (1)


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spyware 9 (1)

(ANY Relevant answer)

9.6.1 email spoofing is the creation of email messages with a forged sender address9 9 (2)

9.6.2 phishing is the act of trying to acquire someone's personal information such as bank

account via tricky emails and pop ups 99 (2)

9.7

9.7.1 a search engine is a web-based tool that enables users to locate information on the world

wide web 99 (2)

9.7.2 A browser is used to access and surf the internet but a search engine is used locate

information from the web 99 (2)

a) Mozilla FireFox , Google Chrome , Internet explorer (Ant TWO) 99 (2)

b) The purpose of a plug-in is to add a specific feature to the web browse so it can open

or download certain content 9 (1)

9.8.1 World Wide Web 9 (1)

9.8.2 (a) URL- Uniform Resource Locator 9 (1)

(b) South Africa 9 (1)

(c) Internet Protocol 9 9 (2)

(d) notepad 9 (1)

9.9 a) Optical Storage (1)

b) burning a CD""- is writing or copying files onto a CD 99 (2)

9.11 a) Third Generation 9 (1)

b) These are small programs used on the smart phone to do certain tasks 99 (2)

c) Android or Windows (Any ONE) (1)

GRAND TOTAL: 150

information technology paper 2 november 2015 grade 10 · 2.2 digital divide refers to the technique...

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